3D Circulaory Systtem

a fist-sized organ that pumps blood throughout your body and is the primary organ of your circulatory system

Lower chamber of the heart where oxygen-poor blood leaves and is pumped to the lungs

a vessel that carries blood away from the heart

A vessel that carries blood to the heart

lower chamber of the heart where oxygen-rich blood leaves and is pumped to the body

upper chamber of the heart where oxygen-poor blood enters and is pumped to the right ventricle

upper chamber of the heart where oxygen-rich blood enters from the lungs and is pumped to the left ventricle

a tiny vessel that connects arteries to veins